Chlorodifluoromethane and
Chloropentafluoroethane
(R-502)


CHClF2+C2ClF5

Alternatives

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General Characteristics Health Hazards Material Recommendations
A colorless, nonflammable, liquefied gas with mild ether like odor. A simple asphyxiant. Normal materials can be used.
TLV-TWA Flammable Limits DOT Class / Label
None Established Nonflammable 2.2 / Nonflammable
Boiling Point Specific Gravity Liquid Density
-49.8 degrees F 4.3 @ 70 F 92.4 lbs/cu.ft. @ Boiling Pt.
CGA Valve Outlet CAS Registry No. UN Number
660 74-45-6
76-15-3
1973
National Stock Number (NSN) Applicable to R-502 MIL Specs/ Fed Specs
MSDS for R-502


Grade
Part #
Purity Minimum Cylinder
Size
Volume
LBS
Pressure
@ 70 F
Comments
Chemically Pure
465301
Azeotropic Mixture 056
D50
D30
125
50
30
126.6
126.6
126.6

None


Uses: